A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Stargazers can get a rare glimpse of several planets aligning this week. The event is referred to as a planetary parade, and ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

On February 28, 2026, the evening sky will offer a rare celestial geometry: six planets of our Solar system will seem to ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

SIX planets will align in the evening sky this week in a rare cosmic phenomenon you’ll be able to see with your own eyes. Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter will all appear ...

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, Pluto was officially reclassified as a dwarf planet by the International ...

A six-planet "parade" — an alignment with Mercury, Venus, Neptune, Saturn, Uranus and Jupiter — is coming Feb. 28. When and how to watch it in Ohio.

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...